<style >
.pitem
{
   line-height:24px;
}
#back-to-top {
    bottom: 142px;
    position: fixed;
    right: 30px;
}
#back-to-top a {
    color: #D1D1D1;
    display: block;
    text-align: center;
    text-decoration: none;
    transition: color 1s ease 0s;
    width: 60px;
}
#back-to-top a span {
    background: url("https://pic002.cnblogs.com/images/2011/36987/2011051823234124.png") no-repeat scroll center center transparent;
    border-radius: 0 0 0 0;
    display: block;
    height: 60px;
    margin-bottom: 5px;
    transition: background 1s ease 0s;
    width: 60px;
}
#cnblogs_post_body p {
        line-height: 30px;
}
.blogpost-body {
 line-height: 30px;
}

.my_title{
max-width: 100%;
    box-sizing: border-box;
    min-height: 1em;
    text-align: center;
    overflow-wrap: break-word !important;
    max-width: 100%;
    box-sizing: border-box;
    color: rgb(26, 173, 25);
    font-size: 24px;
    word-wrap: break-word !important;
}


</style>